Home / 920,680,664.16-1,380,854,624.67-265,470,598.20

Finding the Fourth Proportional to 920,680,664.16, 1,380,854,624.67 and 265,470,598.20

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Solution

The fourth proportional to 920,680,664.16, 1,380,854,624.67 and 265,470,598.20 is: 398,157,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,680,664.16 : 1,380,854,624.67 = 265,470,598.20 : x
  2. Step 2: Convert to fraction form
    920,680,664.16/1,380,854,624.67 = 265,470,598.20/x
  3. Step 3: Cross multiply
    920,680,664.16x = 1,380,854,624.67 × 265,470,598.20
  4. Step 4: Simplify right side
    920,680,664.16x = 366,576,303,238,381,376
  5. Step 5: Solve for x
    x = 366,576,303,238,381,376/920,680,664.16
  6. Step 6: Final answer
    x = 398,157,925.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.